PROCEEDIXGS, VOLS. 1-50 OLIVER-OSTEITIS 



Oliver, Charles A., blindness from 

 congenital malformation of the 

 skull. 41, 161. 



color-signals, regulation of, in 



marine and naval service, 43, 207. 



■ Governmental supervision of 



ports necessitating normal percep- 

 tion of color, 44, 40. 



• hereditar\- optic-nerve atrophy, 



32, 269. 



— • — -obituary notice of Joseph Zent- 

 mayer, 31, 358. 



— ■ — -subjective after-color, 23, 500. 



Omaha language, 10, 389. 



Onion disease. 10, 168. 



Oniscus asellus Linn., spermatogen- 

 esis of, 41, "/"/. 



Oolitic formation in xA.merica, i, 225. 

 Ophidia, lungs of the, zZi 217. 

 Ophidiens, deux especes nouvelles 



des, de Mexique, 25, 181. 

 Opisthenogenesis, 43, 289. 

 Optic nerve atrophy, hereditary, 32, 



269. 

 Optical phenomenon, 5, 16; 50, 316. 

 Optics, physiological, disputed facts 



in, 16, 218. 

 D'Orbigny papyrus. 10, 543. 

 Ord, George, obituary notice of 



Clement C. Biddle, 6, 158. 



— ^, \Vm. Mcllvaine, 6, loi. 



Orders two and four, groups of, 46, 



146. 

 Ore banks, brown hematite, of Spruce 

 Creek, &c.. Pa., 14, 19. 



— belt, fossil, 14, 102. 



— bombshell, origin of, 47, 135. 



— fossil iron. St. Clairville and Bed- 

 ford R. R. and Dunning's Creek, 

 13, 156- 



^ f ranklinite, 9, 88. 



— -radium in an American. 43, 157. 



Oreodontidse, synopsis of the species 



of, 21, 503. 

 Ores, Mesozoic, 16, 651. 

 Oresme, Copernicus and Gresham, 



law of. 47, 18. 



Organic form?, creation of, 12, 229. 



— remains, position of, 4, 2-j. 



— variation, 24, 113. 



Organisms, origin of the markings 



of, 43, 393- 

 Organs, transplantation of, 47, 677. 

 Orion, photographing the nebula of, 



19, 156. 

 Ornithosaurians, new, from Kansas, 



12, 420. 

 Orr, Hector, hail storm, ]\Iav 8, 1870, 



II, 438. 

 Orthography and pronunciation, laws 



of English, 8, 285 ; 9, 39. 



— report of Committee on amended, 

 26, 306. 



Ortmann, A. E., destruction of the 

 fresh-w^ater fauna in western 

 Pennsylvania. 48, 90. 



— — geographical distribution of 

 freshwater decapods and its bear- 

 ing upon ancient geographv, 41, 

 267. 



mutual affinities of the species 



of the genus Cambarus, and their 

 dispersal over the L'nited States, 

 44, 91- 



selection and separation, nat- 

 ural, 35, 175. 



Orton. J., cold blooded vertebra from 

 Peru, 17, Zi- 



Osborn, Henry Fairfield, Cope's work 

 in the mammals, Memorial Vol- 

 ume, I, 296. 



— ■ — evolution of the horse, 43, 156. 



Triassic mammals Dromatheri- 



um and Microconodon, 24, 109. 



Osborne, photo-lithography. 9, 483. 



Oscillation, sethereal, 12, 411. 



— -explosive, 12, 403. 



Oscillations, influence of, moving 

 with the velocity of light. 9, 405. 



Oscillograph, use of the falling plate, 

 as a phase meter, 44, 166. 



Osmazome, conservation of. in roast- 

 ing. 31, 318. 



Osteitis deformans, 41, 143. 



59 



